66 109 319 Exponent Status

Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
19983076144078474176329	23	74.1	2014-07-30 00:17:34

P-1 factors

Date	Factor	B1	B2
2014-07-30	19983076144078474176329	585000	11261250

History

Date	User	Type	Result
2014-07-30	driveByUpgrades	F-PM1	Factor: 19983076144078474176329
2014-05-23	RichD0	NF	no factor from 2^73 to 2^74
2014-03-15	Chuck	NF	no factor from 2^72 to 2^73
2014-03-03	kracker	NF	no factor from 2^71 to 2^72
2013-04-23	SMoffat	NF	no factor from 2^70 to 2^71
2012-01-31	JMGarcia	NF	no factor from 2^69 to 2^70
2009-11-28	-Anonymous-	NF	no factor from 2^68 to 2^69
2009-11-27	-Anonymous-	NF	no factor from 2^67 to 2^68
2009-11-27	benkaz	NF	no factor from 2^66 to 2^67
2009-11-14	GrunwalderGIMP	NF	no factor from 2^65 to 2^66
2009-11-13	-Anonymous-	NF	no factor from 2^64 to 2^65
2009-06-20	1997rj7	NF	no factor to 2^64